>
>
> > My suggestions to start :
> > 1) define a **simple but significative** domain ,ie "this grammar is for
> > subset of ConTeXt language dedicated to variable-data pdf forms"
>
> yes
>
> > 2) make a bnf grammar spec
>
> yes
>
> > 3) build a parser lex/yacc for 2)
>
> later
>
why ?  There is no difference between 2 and 3

I think a wiki would be a better forum than this mailing-list ?
>
hmm
"this" mailing-list is ok for this kind of discussions
"a wiki" is wiki.contextgarden.net
and you should put  your results in your personal page


-- 
luigi